From: Joe Perches <joe@perches.com>
To: Michal Hocko <mhocko@kernel.org>, linux-fsdevel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Jann Horn <jann@thejh.net>,
linux-mm@kvack.org, Alexander Viro <viro@zeniv.linux.org.uk>,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/2] seq: Speed up /proc/<pid>/smaps
Date: Sat, 20 Aug 2016 01:00:15 -0700 [thread overview]
Message-ID: <cover.1471679737.git.joe@perches.com> (raw)
In-Reply-To: <20160820072927.GA23645@dhcp22.suse.cz>
Doing a simple cat of these files can take a lot more cpu than
it should. Optimize it a bit.
Joe Perches (2):
seq_file: Add __seq_open_private_bufsize for seq file_operation sizes
proc: task_mmu: Reduce output processing cpu time
fs/proc/task_mmu.c | 94 ++++++++++++++++++++++++------------------------
fs/seq_file.c | 31 ++++++++++++++++
include/linux/seq_file.h | 3 ++
3 files changed, 82 insertions(+), 46 deletions(-)
--
2.8.0.rc4.16.g56331f8
--
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WARNING: multiple messages have this Message-ID (diff)
From: Joe Perches <joe@perches.com>
To: Michal Hocko <mhocko@kernel.org>, linux-fsdevel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Jann Horn <jann@thejh.net>,
linux-mm@kvack.org, Alexander Viro <viro@zeniv.linux.org.uk>,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/2] seq: Speed up /proc/<pid>/smaps
Date: Sat, 20 Aug 2016 01:00:15 -0700 [thread overview]
Message-ID: <cover.1471679737.git.joe@perches.com> (raw)
In-Reply-To: <20160820072927.GA23645@dhcp22.suse.cz>
Doing a simple cat of these files can take a lot more cpu than
it should. Optimize it a bit.
Joe Perches (2):
seq_file: Add __seq_open_private_bufsize for seq file_operation sizes
proc: task_mmu: Reduce output processing cpu time
fs/proc/task_mmu.c | 94 ++++++++++++++++++++++++------------------------
fs/seq_file.c | 31 ++++++++++++++++
include/linux/seq_file.h | 3 ++
3 files changed, 82 insertions(+), 46 deletions(-)
--
2.8.0.rc4.16.g56331f8
next prev parent reply other threads:[~2016-08-20 8:00 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-18 11:31 [PATCH] proc, smaps: reduce printing overhead Michal Hocko
2016-08-18 11:31 ` Michal Hocko
2016-08-18 13:26 ` Joe Perches
2016-08-18 13:26 ` Joe Perches
2016-08-18 14:26 ` Michal Hocko
2016-08-18 14:26 ` Michal Hocko
2016-08-18 14:41 ` Joe Perches
2016-08-18 14:41 ` Joe Perches
2016-08-18 14:41 ` Michal Hocko
2016-08-18 14:41 ` Michal Hocko
2016-08-18 14:46 ` Joe Perches
2016-08-18 14:46 ` Joe Perches
2016-08-18 14:58 ` Michal Hocko
2016-08-18 14:58 ` Michal Hocko
2016-08-18 15:23 ` Joe Perches
2016-08-18 15:23 ` Joe Perches
2016-08-18 16:42 ` Michal Hocko
2016-08-18 16:42 ` Michal Hocko
2016-08-19 10:12 ` [PATCH 0/2] fs, proc: optimize smaps output formatting Michal Hocko
2016-08-19 10:12 ` Michal Hocko
2016-08-19 10:12 ` [PATCH 1/2] proc, meminfo: abstract show_val_kb Michal Hocko
2016-08-19 10:12 ` Michal Hocko
2016-08-26 2:54 ` [proc, meminfo] dd3b422c11: stderr.Signal#(FPE)caught_by_ps(procps-ng_version#) kernel test robot
2016-08-26 2:54 ` [lkp] " kernel test robot
2016-08-19 10:13 ` [PATCH 2/2] proc, smaps: reduce printing overhead Michal Hocko
2016-08-19 10:13 ` Michal Hocko
2016-08-19 17:43 ` [PATCH 0/2] fs, proc: optimize smaps output formatting Joe Perches
2016-08-19 17:43 ` Joe Perches
2016-08-19 20:18 ` Joe Perches
2016-08-19 20:18 ` Joe Perches
2016-08-20 7:29 ` Michal Hocko
2016-08-20 7:29 ` Michal Hocko
2016-08-20 7:55 ` Joe Perches
2016-08-20 7:55 ` Joe Perches
2016-08-20 8:00 ` Joe Perches [this message]
2016-08-20 8:00 ` [PATCH 0/2] seq: Speed up /proc/<pid>/smaps Joe Perches
2016-08-20 8:00 ` [PATCH 1/2] seq_file: Add __seq_open_private_bufsize for seq file_operation sizes Joe Perches
2016-08-20 8:00 ` Joe Perches
2016-08-20 8:00 ` [PATCH 2/2] proc: task_mmu: Reduce output processing cpu time Joe Perches
2016-08-20 8:00 ` Joe Perches
2016-08-22 7:24 ` Michal Hocko
2016-08-22 7:24 ` Michal Hocko
2016-08-22 8:00 ` Joe Perches
2016-08-22 8:00 ` Joe Perches
2016-08-22 8:30 ` Joe Perches
2016-08-22 8:30 ` Joe Perches
2016-08-22 12:09 ` Michal Hocko
2016-08-22 12:09 ` Michal Hocko
2016-08-23 15:14 ` [PATCH] proc, smaps: reduce printing overhead Michal Hocko
2016-08-23 15:14 ` Michal Hocko
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